Bert passed the spoken language exam with the skin of his teeth.

[误译] Bert 轻而易举地通过了口语考试。

[原意] Bert 差一点就没地通过口语考试。

[说明] with /by the skin of one's teeth是源典故的口语（介词短语），意为“差一点没”，“险些没”，“好不容易才”，“侥幸”。